code: def test_iris(self):
      data = datasets.load_iris()
      df = pdml.ModelFrame(data)
      self.assertEqual(df.shape, (150, 5))
  
file_path: pandas-ml/pandas_ml/skaccessors/test/test_datasets.py
imports: import sklearn.datasets
  import pandas_ml
  import pandas_ml.util.testing
label_desc: Use image node_id 4 for calling the TestDatasets obj's underlying member method code with example usage: obj.test_iris() without return types